Swimming at the Summer Olympics

Swimming has been a sport at every modern Summer Olympics. It has been open to women since 1912. At the Olympics, swimming has the second-highest number of medal-contested events (after athletics).

Swimming at the Summer Olympics
IOC CodeSWM
OWS (Marathon Swimming)
Governing bodyWorld Aquatics
Events37 (men: 18; women: 18; mixed: 1)
Summer Olympics

Summary

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Games Year Events Best Nation
1 1896 4   Hungary (1)
2 1900 7   Great Britain (1)
3 1904 9   Germany (1)
4 1908 6   Great Britain (2)
5 1912 9   Germany (2)
6
7 1920 10   United States (1)
8 1924 11   United States (2)
9 1928 11   United States (3)
10 1932 11   Japan (1)
11 1936 11   Japan (2)
12
13
14 1948 11   United States (4)
15 1952 11   United States (5)
16 1956 13   Australia (1)
17 1960 15   United States (6)
Games Year Events Best Nation
18 1964 18   United States (7)
19 1968 29   United States (8)
20 1972 29   United States (9)
21 1976 26   United States (10)
22 1980 26   East Germany (1)
23 1984 29   United States (11)
24 1988 31   East Germany (2)
25 1992 31   United States (12)
26 1996 32   United States (13)
27 2000 32   United States (14)
28 2004 32   United States (15)
29 2008 34   United States (16)
30 2012 34   United States (17)
31 2016 34   United States (18)
32 2020 37   United States (19)
33 2024 37   United States (20)

Long-course swimming

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Men's events

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Past events

Women's events

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Mixed events

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Medal table

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Last updated after the 2020 Summer Olympics[3]

RankNationGoldSilverBronzeTotal
1  United States (USA)257178144579
2  Australia (AUS)697073212
3  East Germany (GDR)38322292
4  Hungary (HUN)28262074
5  Japan (JPN)24273283
6  Great Britain (GBR)20293079
7  Netherlands (NED)19201958
8  China (CHN)16211249
9  Germany (GER)13183061
10  Soviet Union (URS)12212659
11  Canada (CAN)9182754
12  Sweden (SWE)9161439
13  France (FRA)8161943
14  South Africa (RSA)77620
15  Unified Team (EUN)63110
16  Italy (ITA)561526
17  Russia (RUS)49922
18  Ukraine (UKR)4329
19  West Germany (FRG)351422
20  Denmark (DEN)35715
21  Romania (ROU)3249
22  Ireland (IRL)3014
  Tunisia (TUN)3014
24  Zimbabwe (ZIM)2417
25  Australasia (ANZ)2338
26  Spain (ESP)2248
27  ROC (ROC)2215
28  New Zealand (NZL)2136
29  Austria (AUT)16512
30  United Team of Germany (EUA)15612
31  Brazil (BRA)141015
32  Greece (GRE)1326
  Poland (POL)1326
34  South Korea (KOR)1304
35  Belgium (BEL)1225
36  Costa Rica (CRC)1124
37  Argentina (ARG)1113
  Bulgaria (BUL)1113
39  Yugoslavia (YUG)1102
40  Mexico (MEX)1012
  Suriname (SUR)1012
42  Kazakhstan (KAZ)1001
  Lithuania (LTU)1001
  Singapore (SIN)1001
45  Belarus (BLR)0213
46  Hong Kong (HKG)0202
  Slovakia (SVK)0202
48  Finland (FIN)0145
49  Cuba (CUB)0112
  Norway (NOR)0112
51  Croatia (CRO)0101
  Serbia (SRB)0101
  Slovenia (SLO)0101
54  Switzerland (SUI)0033
55  Philippines (PHI)0022
56  Trinidad and Tobago (TRI)0011
  Venezuela (VEN)0011
Totals (57 entries)5895865871,762

Marathon swimming

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Events

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Event 96 1900 04 08 12 20 24 28 32 36 48 52 56 60 64 68 72 76 80 84 88 92 96 2000 04 08 12 16 20 24 Years
Men's 10 km Not yet introduced X X X X X 5
Women's 10 km Not yet introduced X X X X X 5
Events 2 2 2 2 2

Medal table

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Last updated after the 2020 Summer Olympics[4]

RankNationGoldSilverBronzeTotal
1  Netherlands (NED)3104
2  Germany (GER)1113
3  Hungary (HUN)1102
4  Brazil (BRA)1012
5  Russia (RUS)1001
  Tunisia (TUN)1001
7  Great Britain (GBR)0213
8  Italy (ITA)0123
9  Greece (GRE)0101
  United States (USA)0101
11  Australia (AUS)0011
  Canada (CAN)0011
  France (FRA)0011
Totals (13 entries)88824

Overall medal table

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Last updated after the 2024 Summer Olympics

RankNationGoldSilverBronzeTotal
1  United States (USA)265192151608
2  Australia (AUS)767977232
3  East Germany (GDR)38322292
4  Hungary (HUN)32282181
5  Japan (JPN)24283284
6  Netherlands (NED)23212165
7  Great Britain (GBR)21353187
8  China (CHN)18241961
9  Germany (GER)15203267
10  Soviet Union (URS)12212659
11  Canada (CAN)12203163
12  France (FRA)12172251
13  Sweden (SWE)11161441
14  South Africa (RSA)88622
15  Italy (ITA)782035
16  Unified Team (EUN)63110
17  Russia (RUS)59923
18  Ukraine (UKR)4329
19  Romania (ROU)42511
20  Ireland (IRL)4037
21  West Germany (FRG)351422
22  Denmark (DEN)35715
23  Tunisia (TUN)3014
24  Brazil (BRA)241117
25  Zimbabwe (ZIM)2417
26  Australasia (ANZ)2338
27  Spain (ESP)2248
28  ROC (ROC)2215
29  New Zealand (NZL)2136
30  Austria (AUT)16512
31  United Team of Germany (EUA)15612
32  Greece (GRE)1528
33  Poland (POL)1326
34  South Korea (KOR)1315
35  Belgium (BEL)1225
36  Costa Rica (CRC)1124
37  Argentina (ARG)1113
  Bulgaria (BUL)1113
39  Yugoslavia (YUG)1102
40  Mexico (MEX)1012
  Suriname (SUR)1012
42  Kazakhstan (KAZ)1001
  Lithuania (LTU)1001
  Singapore (SIN)1001
45  Hong Kong (HKG)0224
46  Belarus (BLR)0213
47  Slovakia (SVK)0202
48  Finland (FIN)0145
49  Cuba (CUB)0112
  Norway (NOR)0112
51  Croatia (CRO)0101
  Serbia (SRB)0101
  Slovenia (SLO)0101
54  Switzerland (SUI)0044
55  Philippines (PHI)0022
56  Trinidad and Tobago (TRI)0011
  Venezuela (VEN)0011
Totals (57 entries)6336326311,896

Nations

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Nation 96 00 04 08 12 20 24 28 32 36 48 52 56 60 64 68 72 76 80 84 88 92 96 00 04 08 12 16 20 24 Years
  Afghanistan (AFG) 1 1 2
  Albania (ALB) 1 2 2 2 2 2 2 7
  Algeria (ALG) 5 1 1 3 6 5 1 1 3 2 10
  American Samoa (ASA) 2 2 2 1 4
  Andorra (AND) 1 2 2 1 2 2 6
  Angola (ANG) 5 8 3 1 2 1 2 2 2 2 2 11
  Antigua and Barbuda (ANT) 2 1 2 2 2 2 6
  Argentina (ARG) 4 4 5 1 17 7 3 7 8 4 5 6 2 3 7 13 10 11 4 5 5 3 22
  Armenia (ARM) 1 2 1 1 2 2 2 2 8
  Aruba (ARU) 2 1 2 2 2 2 6
  Australasia (ANZ) 5 9 2
  Australia (AUS) 1 6 5 5 5 5 10 10 26 26 32 24 24 28 17 31 25 33 33 44 41 43 47 39 37 44 26
  Austria (AUT) 2 3 1 1 8 3 8 2 3 10 7 3 2 1 5 6 6 2 4 8 6 12 11 6 7 5 26
  Azerbaijan (AZE) 1 2 4 12 2 2 2 2 8
  Bahamas (BAH) 2 2 1 2 1 4 4 4 1 3 2 2 12
  Bahrain (BRN) 2 2 2 2 2 1 2 2 8
  Bangladesh (BAN) 2 1 1 2 2 2 1 2 2 2 10
  Barbados (BAR) 1 1 1 2 3 4 4 1 2 2 1 11
  Belarus (BLR) 10 9 9 8 8 8 6 7
  Belgium (BEL) 1 7 5 12 6 5 6 10 6 3 2 6 4 10 7 4 7 7 4 9 7 13 10 2 4 25
  Benin (BEN) 2 2 2 2 2 2 6
  Bermuda (BER) 5 5 2 1 1 6 1 1 2 1 2 2 12
  Bhutan (BHU) 1 1 2
  Bolivia (BOL) 1 1 2 2 2 2 2 2 2 2 2 11
  Bosnia and Herzegovina (BIH) 2 2 2 1 1 2 2 2 2 9
  Botswana (BOT) 2 2 1 2 4
  Brazil (BRA) 2 8 16 13 12 4 5 4 4 12 9 9 7 15 9 10 13 23 25 19 36 27 20 23
  British Virgin Islands (IVB) 1 1 2
  Brunei (BRU) 1 1 2 3
  Bulgaria (BUL) 3 3 5 13 8 5 1 6 6 4 4 3 5 4 14
  Burkina Faso (BUR) 1 2 2 2 2 2 6
  Burundi (BDI) 2 1 2 2 2 2 6
  Cambodia (CAM) 4 2 2 2 2 2 2 2 2 9
  Cameroon (CMR) 1 2 2 2 2 5
  Canada (CAN) 1 1 3 2 6 14 14 9 9 8 8 12 15 38 38 37 31 29 27 39 20 27 33 30 26 29 26
  Cape Verde (CPV) 2 2 2
  Cayman Islands (CAY) 3 2 2 2 2 2 6
  Central African Republic (CAF) 1 2 1 2 4
  Chile (CHI) 4 4 1 1 2 3 2 1 2 2 2 11
  China (CHN) 2 1 1 14 24 16 21 21 28 42 51 45 30 32 14
  Chinese Taipei (TPE) 1 4 3 5 8 8 13 13 5 3 2 3 2 13
  Colombia (COL) 2 3 1 9 4 5 2 1 1 1 5 5 3 5 3 4 2 2 18
  Comoros (COM) 1 1 2 2 4
  Republic of the Congo (CGO) 1 2 2 2 1 2 2 1 2 9
  Cook Islands (COK) 1 2 2 1 2 5
  Costa Rica (CRC) 1 1 2 1 8 1 3 2 1 2 2 1 2 2 14
  Croatia (CRO) 11 17 13 13 4 2 2 3 8
  Cuba (CUB) 2 2 2 1 3 2 3 7 2 2 1 2 2 2 14
  Cyprus (CYP) 4 2 2 7 5 2 1 2 2 2 10
  Czechoslovakia (TCH) 4 9 1 3 3 4 2 3 3 1 3 1 5 6 8 17
  Czech Republic (CZE) 10 6 12 10 6 8 9 5 8
  Democratic Republic of the Congo (COD) 1 2 2
  Denmark (DEN) 1 5 1 4 5 2 18 6 9 2 4 3 3 6 2 1 3 15 8 10 7 6 9 10 15 11 7 27
  Djibouti (DJI) 1 1 2 2 4
  Dominica (DMA) 1 2 2 3
  Dominican Republic (DOM) 1 1 2 2 2 2 6
  East Germany (GDR) 24 37 23 30 26 5
  East Timor (TLS) 2 2 2
  Ecuador (ECU) 3 1 1 2 1 5 3 1 2 3 3 4 3 13
  Egypt (EGY) 1 6 3 2 8 5 2 2 6 2 3 3 7 4 3 15
  El Salvador (ESA) 14 7 2 1 2 1 1 1 2 2 2 2 12
  Equatorial Guinea (GEQ) 2 1 1 3
  Eritrea (ERI) 1 2 2
  Estonia (EST) 2 4 1 4 6 9 2 2 3 2 8
  Ethiopia (ETH) 2 2 1 1 4
  Fiji (FIJ) 3 5 3 2 2 1 1 2 2 2 2 11
  Finland (FIN) 3 6 1 2 1 1 2 1 13 1 5 6 3 1 1 1 2 1 12 12 7 7 5 7 8 5 2 27
  France (FRA) 47 4 3 13 20 13 5 8 17 16 16 19 9 16 18 16 13 16 25 25 25 19 21 35 31 30 27 33 28
  Gabon (GAB) 1 2 2 3
  The Gambia (GAM) 1 1 2 3
  Georgia (GEO) 1 1 2 1 2 2 2 7
  Germany (GER) 6 4 5 17 19 2 24 9 18 26 38 24 28 35 35 25 30 29 31 25 20
  Ghana (GHA) 2 2 2 3
  Great Britain (GBR) 7 25 18 18 26 21 15 22 32 26 22 32 33 27 36 40 32 33 31 28 39 32 37 24 44 28 32 33 28
  Greece (GRE) 15 1 1 5 2 2 5 2 2 3 4 2 8 14 28 18 14 15 12 17 20
  Grenada (GRN) 1 2 1 2 2 2 6
  Guam (GUM) 4 7 2 1 1 1 3 2 2 9
  Guatemala (GUA) 1 3 6 1 5 2 1 4 1 1 2 2 2 13
  Guinea (GUI) 2 1 2 1 2 2 2 7
  Guinea-Bissau (GBS) 1 1
  Guyana (GUY) 1 1 2 2 2 2 6
  Haiti (HAI) 1 2 2 2 4
  Honduras (HON) 6 3 4 1 2 2 2 2 2 2 2 11
  Hong Kong (HKG) 4 2 1 3 3 2 4 8 10 8 3 9 7 4 3 7 9 7 18
  Hungary (HUN) 1 1 2 10 8 6 8 5 13 15 15 16 18 19 14 16 8 13 13 13 21 18 25 28 32 35 34 23 28
  Iceland (ISL) 8 2 2 4 4 3 4 6 2 3 9 7 8 7 3 2 2 17
  Independent Olympic Participants (IOP) 4 1
  India (IND) 1 7 5 2 1 2 2 1 4 1 2 3 2 12
  Independent Olympic Athletes (IOA) 2 1
  Individual Neutral Athletes (AIN) 4 1
  Indonesia (INA) 1 3 2 1 1 2 1 6 3 2 1 2 2 2 13
  Iran (IRI) 1 1 1 1 1 1 1 1 1 9
  Iraq (IRQ) 2 1 1 1 1 5
  Ireland (IRL) 2 4 7 4 3 2 5 2 5 4 2 3 4 3 9 12 16
  Israel (ISR) 1 1 4 2 6 1 2 3 1 4 4 10 2 7 5 7 13 28 18
  Italy (ITA) 2 4 2 4 6 5 2 10 7 23 16 10 24 13 13 26 21 24 14 21 29 34 35 38 38 40 26
  Ivory Coast (CIV) 2 1 2 2 1 5
  Jamaica (JAM) 1 1 4 1 4 3 1 2 2 2 10
  Japan (JPN) 2 6 10 23 21 22 19 21 38 20 15 15 22 23 25 27 21 20 31 29 36 35 29 23
  Jordan (JOR) 2 2 2 2 2 2 2 2 8
  Kazakhstan (KAZ) 7 8 11 12 7 3 1 2 8
  Kenya (KEN) 1 2 2 2 2 2 2 2 8
  Kosovo (KOS) 2 2 2 3
  Kuwait (KUW) 2 3 5 2 3 3 2 1 2 2 2 11
  Kyrgyzstan (KGZ) 12 18 6 3 2 2 1 2 8
  Laos (LAO) 1 2 2 1 2 2 2 7
  Latvia (LAT) 1 4 4 5 2 2 2 2 2 9
  Lebanon (LIB) 1 2 2 4 4 1 2 5 2 2 2 2 2 13
  Lesotho (LES) 1 1
  Libya (LBA) 4 2 2 1 2 1 2 7
  Liechtenstein (LIE) 1 2 2 2
  Lithuania (LTU) 2 8 6 10 9 4 6 6 7 9
  Luxembourg (LUX) 2 4 3 4 1 1 4 1 1 2 1 3 2 4 1 3 2 1 17
  North Macedonia (MKD) 4 4 4 2 2 2 2 2 8
  Madagascar (MAD) 3 1 2 2 2 2 2 2 2 2 10
  Malawi (MAW) 2 2 1 2 2 2 6
  Malaysia (MAS) 2 2 7 2 1 1 2 1 5 9 4 5 2 3 2 2 16
  Maldives (MDV) 2 1 2 2 2 2 2 2 2 9
  Mali (MLI) 2 2 2 2 2 1 2 7
  Malta (MLT) 1 2 2 2 2 2 2 2 8
  Marshall Islands (MHL) 2 2 2 2 2 5
  Mauritania (MTN) 1 1
  Mauritius (MRI) 6 2 2 2 2 2 2 2 2 9
  Mexico (MEX) 3 9 8 4 11 10 27 22 9 7 12 10 7 2 7 6 6 9 3 4 6 21
  Federated States of Micronesia (FSM) 2 2 2 2 2 2 2 7
  Moldova (MDA) 5 10 3 2 2 2 2 7
  Monaco (MON) 1 1 1 1 1 1 1 2 2 9
  Mongolia (MGL) 2 1 2 2 2 2 2 7
  Montenegro (MNE) 1 2 2 2 4
  Morocco (MAR) 1 1 1 1 2 2 2 7
  Mozambique (MOZ) 5 2 2 3 1 2 2 2 2 2 2 2 12
  Myanmar (MYA) 1 1 1 1 1 1 6
  Namibia (NAM) 2 1 1 1 1 5
  Nepal (NEP) 2 2 2 2 2 2 2 2 8
  Netherlands (NED) 4 7 4 12 14 5 14 12 13 19 26 17 19 15 12 16 11 9 20 24 16 18 15 17 16 20 24
  Netherlands Antilles (AHO) 3 1 1 2 1 5
  New Zealand (NZL) 1 1 4 1 2 5 2 4 6 9 8 7 11 14 8 13 15 17 9 7 9 21
  Nicaragua (NCA) 2 1 1 2 2 2 2 2 2 2 10
  Niger (NIG) 2 1 2 1 2 2 2 7
  Nigeria (NGR) 2 2 2 2 2 1 2 7
  Norway (NOR) 5 2 1 1 1 1 3 1 4 7 3 2 6 5 1 4 3 2 4 3 20
  Oman (OMA) 1 1 4 1 1 5
  Pakistan (PAK) 4 2 3 1 1 2 2 2 2 2 2 11
  Palau (PLW) 2 1 1 1 2 2 2 7
  Palestine (PLE) 1 1 2 2 2 2 2 7
  Panama (PAN) 1 3 1 1 1 2 2 2 2 1 2 2 2 13
  Papua New Guinea (PNG) 2 1 2 2 1 2 2 7
  Paraguay (PAR) 3 2 2 2 1 2 2 2 2 2 9
  Peru (PER) 3 6 3 3 4 5 2 2 2 3 2 2 3 2 2 3 16
  Philippines (PHI) 2 3 5 3 1 8 8 2 7 7 3 4 4 5 2 4 5 5 2 2 2 2 22
  Poland (POL) 2 4 7 1 5 4 5 3 8 5 14 11 8 7 15 19 20 17 21 19
  Portugal (POR) 1 1 4 5 3 5 2 2 12 9 12 7 11 10 7 5 9 5 18
  Puerto Rico (PUR) 1 4 9 12 5 3 6 7 3 6 4 2 2 2 2 15
  Qatar (QAT) 1 1 1 2 2 2 1 7
  Rhodesia (RHO) 4 1
  Romania (ROU) 1 2 2 2 3 5 2 5 10 14 11 7 6 4 6 4 3 17
  Russia (RUS) 4 30 28 30 35 35 36 36 8
  Rwanda (RWA) 2 2 2 2 2 2 2 7
  Saar (SAA) 1 1
  Saint Kitts and Nevis (SKN) 1 1
  Saint Lucia (LCA) 2 1 1 1 1 2 1 7
  Saint Vincent and the Grenadines (VIN) 2 1 1 2 2 2 6
  Samoa (SAM) 2 2 1
  San Marino (SMR) 2 2 1 1 2 2 1 1 1 10
  Saudi Arabia (KSA) 2 1 1 1 1 2 6
  Senegal (SEN) 2 2 2 2 2 2 2 2 2 9
  Serbia and Montenegro (SCG) 4 7 2
  Serbia (SRB) 9 8 6 7 5 5
  Seychelles (SEY) 4 1 2 2 2 2 2 2 2 7
  Sierra Leone (SLE) 1 2 2 2 4
  Singapore (SGP) 1 3 4 5 5 5 8 5 5 5 3 4 5 13
  Slovakia (SVK) 3 4 2 3 5 3 2 2 8
  Slovenia (SLO) 5 5 6 11 10 12 10 4 5 9
  Solomon Islands (SOL) 1 1 2
  South Africa (RSA) 1 1 5 1 3 6 8 3 10 7 14 8 24 20 13 17 8 17
  South Korea (KOR) 4 1 1 3 15 4 20 17 19 16 15 8 12 15 14
  Soviet Union (URS) 18 10 23 21 31 26 31 39 27 29 9
  Spain (ESP) 2 4 5 6 3 10 11 13 9 14 11 8 11 21 18 23 16 23 14 24 11 20 22
  Sri Lanka (SRI) 1 1 1 2 1 2 2 2 2 2 2 2 12
  Sudan (SUD) 1 1 2 2 2 2 6
  Suriname (SUR) 2 1 3 4 2 2 2 2 2 1 2 11
  Swaziland (SWZ) 1 2 1 2 1 1 1 2 2 9
  Sweden (SWE) 1 12 24 13 14 9 2 5 8 12 5 15 14 16 15 18 24 24 18 17 18 16 15 18 12 11 10 12 28
  Switzerland (SUI) 4 2 1 4 8 8 9 2 4 10 2 3 13 10 4 5 9 13 7 7 8 13 8 23
  Syria (SYR) 1 1 2 1 3 2 2 1 1 9
  Tajikistan (TJK) 2 2 1 2 2 2 6
  Tanzania (TAN) 2 2 2 2 4
  Thailand (THA) 2 2 5 6 8 6 2 2 2 2 2 11
  Togo (TOG) 1 2 1 1 4
  Tonga (TGA) 1 2 2 2 4
  Trinidad and Tobago (TRI) 1 1 1 1 2 3 3 3 1 2 2 2 12
  Tunisia (TUN) 2 1 1 1 2 2 4 2 2 2 10
  Turkey (TUR) 2 2 4 2 3 4 7 9 11 6 4 11 8 13
  Turkmenistan (TKM) 2 2 2 2 2 2 6
  Uganda (UGA) 1 2 1 2 2 2 2 2 8
  Ukraine (UKR) 13 25 27 23 14 7 9 5 8
  United Arab Emirates (UAE) 6 5 1 1 1 1 1 2 1 2 10
  United States (USA) 1 2 25 8 7 22 26 23 27 28 28 30 28 31 48 52 51 51 43 44 40 44 48 43 43 49 47 53 48 29
  Uruguay (URU) 2 1 5 4 1 2 1 1 2 4 4 3 2 2 2 2 16
  Uzbekistan (UZB) 6 10 15 7 2 2 2 7
  Vanuatu (VAN) 2 1
  Venezuela (VEN) 1 1 2 4 12 3 6 7 5 4 13 10 6 4 3 14
  Vietnam (VIE) 1 2 3 2 11 2 2 2 2 1 1 1 2 2 2 15
  Virgin Islands (ISV) 2 7 6 3 1 1 2 1 1 2 2 2 12
  West Germany (FRG) 27 44 22 24 29 5
  Yemen (YEM) 1 2 2 1 2 1 6
  Yugoslavia (YUG) 6 4 6 3 1 9 2 6 5 4 3 3 3 9 22
  Zambia (ZAM) 2 2 2 2 2 2 2 2 6
  Zimbabwe (ZIM) 2 2 4 4 1 3 2 2 1 2 2 2 10
Nations 4 12 4 14 17 19 23 28 20 29 34 48 33 45 42 51 52 51 41 67 77 92 117 150 152 162 166 169 182 194
Swimmers 19 76 32 100 120 116 118 182 128 248 249 319 235 380 405 468 532 471 333 494 633 641 762 954 937 1026 950 950 1000 852
Year 96 00 04 08 12 20 24 28 32 36 48 52 56 60 64 68 72 76 80 84 88 92 96 00 04 08 12 16 20 24

Olympic records

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The International Olympic Committee recognize the best performances in all 35 current swimming events at the Games as Olympic records.

Notable changes to the sport

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Times have consistently dropped over the years due to better training techniques and new developments within the sport.

In the first four Olympics, competitions were not held in pools, but rather in open water (1896, the Mediterranean Sea; 1900, the Seine; 1904, an artificial lake; 1906, the Mediterranean). The 1904 Olympics' races were the only ones ever measured in yards, instead of the usual metres. A 100-metre pool was built for the 1908 Olympics and was located in the centre of the main stadium's track and field oval. The 1912 Olympics, held in the Stockholm harbor, marked the beginning of electrical timing.

Male swimmers wore full body swimsuits up until the 1940s, which caused more drag in the water than their modern swim-wear counterparts. Also, over the years, pool designs have lessened the drag. Some design considerations allow for the reduction of swimming resistance making the pool faster. Namely, proper pool depth, elimination of waves, elimination of currents, increased lane width, energy absorbing racing lane lines and gutters, and the use of other innovative hydraulic, acoustic, illumination, and swimwear designs.

The 1924 Olympics were the first to use the standard 50-metre pool with marked lanes (a standard that remains to this day). In the freestyle, swimmers originally dove from the pool walls, but diving blocks were first incorporated at the 1936 Summer Olympics. The flip-turn was developed by the 1950s. Swimming goggles were first allowed in 1976.

The butterfly stroke events were not held until 1956. Previous rules permitted the butterfly stroke in breaststroke races. After 1956, when these rules were changed, butterfly became its own stroke entirely.

The 800m event was added to the women’s programme in 1968; whilst longer, this event was not as far as the men’s 1,500m event. This discrepancy was evened out in 2020: that year, the 1,500 metres was included in the women’s programme for the first time and the 800 metres freestyle was added to the men’s programme.

Both men and women were granted the 200 metres freestyle race in 1968, giving swimmers an intermediate distance race between 100 metres and 400 metres.

The women's 4 × 200 metres freestyle relay race was added in 1996—a men's relay race at that distance had been held since 1912; interestingly, the winning time for the women's 4 × 200 metres freestyle relay in 1996 was more than two minutes faster than the men's 4 × 200 metres freestyle relay of 1912. At six Games, the men had two freestyle relay races, while the women had one. Starting with 1996, both genders have two.

The medley relay races (4 × 100 metres) were not held for men or for women until 1960, but they have continued in every Games since then.

Starting in 2008, both men and women compete in 10 km open water marathon swim events.

The mixed 4 × 100 metres medley relay (2 women and 2 men) was added to the programme in the 2020 Olympic Games.

Notes

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  1. ^ a b c d e f g h i Distances at the 1904 Olympics were measured in yards rather than metres. The 50 yard freestyle was 45.7 metres and the 100 yard freestyle and backstroke races were 91.4 metres. The 220, 440, and 880 yard freestyle races were 201, 402, and 805 metres, respectively. Instead of a 1500 metre race, there was a 1 mile race which made for 1609 metres. The 440 yard breaststroke, like the freestyle, was 402 metres. The relay, 4 × 50 yards, was 4 × 45.7 metres.
  2. ^ In 1920, the women's event was 300 metres.
  3. ^ "Olympic Analytics - Medals by Countries". olympanalyt.com. Retrieved 2022-01-31.
  4. ^ "Olympic Analytics - Medals by Countries". olympanalyt.com. Retrieved 2022-01-31.

See also

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References

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